🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.12 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.23 AU - 2.25 AU

Year: 1173 Days

Day: 38.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.49 AU - 2.63 AU

Year: 1433 Days

Day: 33.4 Hours

Environment

Temp: -76 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.8

Radius: 10.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.22 AU - 6.88 AU

Year: 5865 Days

Day: 14.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,714,476 km

• M1: 135,685 km (0.078 R)
• M2: 696,378 km (0.12 R)
• M3: 1,340,696 km (0.109 R)
• M4: 1,954,047 km (0.115 R)
• M5: 2,476,742 km (0.029 R)
• M6: 4,673,886 km (0.1 R)
• M7: 5,757,723 km (0.089 R)
• M8: 9,311,719 km (0.074 R)
• M9: 11,568,553 km (0.08 R)
• M10: 13,744,753 km (0.111 R)
• M11: 17,624,424 km (0.052 R)
• M12: 25,670,097 km (0.029 R)
• M13: 27,546,054 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.5

Radius: 3.6

Gravity: 67.86 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 12.73 AU - 18.75 AU

Year: 21847 Days

Day: 17.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,714,476 km

• M1: 45,328 km (0.105 R)
• M2: 290,519 km (0.087 R)
• M3: 547,528 km (0.104 R)
• M4: 916,137 km (0.038 R)
• M5: 1,083,837 km (0.093 R)
• M6: 1,211,892 km (0.063 R)
• M7: 1,550,432 km (0.052 R)
• M8: 2,318,468 km (0.107 R)
• M9: 4,970,240 km (0.112 R)
• M10: 5,285,293 km (0.114 R)
• M11: 6,043,006 km (0.103 R)
• M12: 7,211,515 km (0.066 R)
• M13: 8,689,991 km (0.118 R)
• M14: 11,880,614 km (0.09 R)
• M15: 12,159,764 km (0.117 R)
• M16: 13,469,643 km (0.116 R)
• M17: 16,366,157 km (0.083 R)
• M18: 18,234,036 km (0.115 R)
• M19: 20,140,511 km (0.069 R)
• M20: 20,737,406 km (0.039 R)
• M21: 21,862,083 km (0.111 R)
• M22: 23,134,712 km (0.075 R)
• M23: 23,569,743 km (0.056 R)
• M24: 32,631,185 km (0.114 R)
• M25: 34,149,753 km (0.107 R)
• M26: 36,149,877 km (0.116 R)
• M27: 43,433,647 km (0.069 R)
• M28: 68,982,121 km (0.028 R)
• M29: 72,861,793 km (0.068 R)

Kuiper Belt

Range: 31.4 - 48.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 19,139 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit